<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- //用户列表 -->
      <el-table :data="userList" border stripe>
        <!-- //添加索引 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名" width="160"></el-table-column>
        <el-table-column prop="mobile" label="手机号" width="160"></el-table-column>
        <el-table-column prop="email" label="email"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="deleteUser(scope.row.id)"
            ></el-button>
            <el-tooltip
              class="item"
              :enterable="false"
              effect="dark"
              content="角色分配"
              placement="bottom"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="showRoleSelectedDialog(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>

      <!-- 添加用户对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!--label-width:设置标签名的宽度-->
        <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="65px">
          <el-form-item prop="username" label="用户名">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item prop="password" label="密码">
            <el-input type="password" v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item prop="email" label="邮箱">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item prop="mobile" label="手机">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed"
      >
        <!--label-width:设置标签名的宽度-->
        <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="65px">
          <el-form-item prop="username" label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item prop="email" label="邮箱">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item prop="mobile" label="手机">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 分配角色对话框 -->
      <el-dialog
        title="用户角色分配"
        :visible.sync="setRoleDialogVisible"
        width="30%"
        @close="setRoleDialogClosed"
      >
        <p>当前用户：{{userInfo.username}}</p>
        <p>当前角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="setRoleToUser">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+@\w+(\.\w+)+$/
      if (regEmail.test(value)) {
        return cb()
      }
      //返回一个错误提示
      cb(new Error('请输入合法的邮箱'))
    }
    //验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/
      if (regMobile.test(value)) {
        return cb()
      }
      //返回一个错误提示
      cb(new Error('请输入合法的手机号码'))
    }
    return {
      userList: [],
      //控制对话框的显示与隐藏
      addDialogVisible: false,
      editDialogVisible: false,
      setRoleDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      editForm: {},
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      userInfo: {},
      selectRoleId: '',
      rolesList: [],
      total: 0,
      //添加用户表单验证规则
      addFormRules: {
        // 验证用户名
        username: [
          {
            required: true,
            message: '请输入账号名称',
            trigger: 'blur'
          },
          {
            min: 4,
            max: 8,
            message: '名称长度在 4 到 8 个字符',
            trigger: 'blur'
          }
        ],
        // 验证密码
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            message: '密码长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ],
        email: [
          {
            required: false,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: false,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ]
      },
      //编辑用户表单验证规则
      editFormRules: {
        email: [
          {
            required: false,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: false,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      console.log(res)
      if (res.meta.status !== 200) return
      this.userList = res.data.users
      this.total = res.data.total
    },
    //监听pagesize的改变事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    //监听页码值改变的事件
    handleCurrentChange(current) {
      this.queryInfo.pagenum = current
      this.getUserList()
    },
    //修改用户状态
    async userStateChanged(userInfo) {
      // console.log(userInfo);
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('修改状态失败')
      }
      this.$message.success('更新状态成功')
      // this.getUserList();
    },
    // 重置对话框  @close="addDialogClosed
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    setRoleDialogClosed() {
      this.userInfo = {};
      this.selectRoleId = '';
    },
    //添加用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status != 201) return this.$message.error('添加用户失败！')
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    //展示编辑用户的对话框
    async showEditDialog(id) {
      //ID获取用户信息
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200)
        return this.$message.error('获取用户信息失败！')
      this.editForm = res.data
      console.log(res.data)
      this.editDialogVisible = true
    },
    //编辑提交用户信息
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          this.editForm
        )
        if (res.meta.status != 200)
          return this.$message.error('修改用户信息失败！')
        this.$message.success('更新用户成功')
        this.editDialogVisible = false
        this.getUserList()
      })
    },
    //删除用户
    async deleteUser(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户 , 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // console.log(confirmResult);//cancel or confirm

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除成功')
      this.getUserList()
    },
    // 展示分配角色对话框
    async showRoleSelectedDialog(userInfo) {
      this.userInfo = userInfo
      const {data: res} = await this.$http.get('roles');
      if(res.meta.status !== 200) return this.$message.error('分配角色失败！');
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    // 分配角色(do)
    async setRoleToUser() {
      if(!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      const {data: res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid: this.selectRoleId
      });
      if(res.meta.status !== 200) return this.$message.error('分配角色失败！');
      this.$message.success('分配角色成功！');
      this.getUserList();
      this.setRoleDialogVisible = false;
    }
  }
}
</script>
<style lang="less" scoped>
</style>